CN211026693U - Anti-jamming spiral sand washer with automatic feeding function - Google Patents

Abstract

The utility model relates to an anti-jamming spiral sand washer with automatic feeding function, which comprises a base, a support plate, a controller, a feeding mechanism, a sand washing box, a motor, a rotating shaft, a bearing, a spiral blade and a plurality of support legs, wherein a vibrating mechanism is arranged below the sand washing box, the feeding mechanism comprises a material box, a lifting component, a first motor, a telescopic component, a driving rod and a baffle plate, the vibrating mechanism comprises a fixed frame and a plurality of vibrating components, the vibrating components comprise a reciprocating unit, a reciprocating plate, a vibrating block, a plurality of springs and two fixing rods, the anti-jamming spiral sand washer with the automatic feeding function continuously provides fine sand materials for the sand washing box through the feeding mechanism, the work efficiency of equipment is ensured, meanwhile, the overload operation of the equipment caused by too much feeding is avoided, not only the sand washing box is knocked through the vibrating mechanism, so that the fine sand inside vibrates, the blocking between the spiral blade and the inner wall of the sand, thereby ensuring the smooth operation of the equipment and improving the practicability of the equipment.

Description

Anti-jamming spiral sand washer with automatic feeding function

Technical Field

The invention relates to the field of sand washing equipment, in particular to an anti-blocking spiral sand washing machine with an automatic feeding function.

Background

The spiral sand washer is one kind of sand washer, and the screw device who mainly stirs the grit material through in the equipment to make earth and water in the grit material mix, discharge from the mouth that flows on the equipment, the grit material is then progressively screened under the effect of screw device, discharges from the discharge gate on top, thereby has realized the washing screening effect of grit material.

Among the current spiral sand washer, spiral impeller's periphery mostly preserves certain clearance between the inner wall of sand washing case, the rotation of the spiral impeller of being convenient for, it removes to drive fine sand, equipment operation device, some fine sand are crowded easily between the inner wall of spiral impeller and sand washing case, reduce spiral impeller's rotational speed, produce wearing and tearing to spiral impeller, still can block dead spiral impeller when serious, moreover, current spiral sand washer mostly adds fine sand through the manual work, when adopting this kind of mode reinforced, the uncontrollable quantity, once only add the load that can aggravate equipment when too much, shorten equipment life, and when adding too little, can reduce the work efficiency of equipment again, and then the reduction of current spiral sand washer practicality has been leaded to.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the anti-blocking spiral sand washer with the automatic feeding function is provided.

The invention solves the technical problem by adopting the technical scheme that the anti-blocking spiral sand washer with the automatic feeding function comprises a base, a support plate, a controller, a feeding mechanism, a sand washing box, a motor, a rotating shaft, a bearing, a spiral blade and a plurality of support legs, wherein the support plate is fixed above the base, the controller is fixed on the support plate, P L C is arranged in the controller, the feeding mechanism is positioned between the sand washing box and the support plate, the sand washing box is fixed above the base through the support legs, the sand washing box is obliquely arranged, the height of one end, close to the support plate, of the sand washing box is smaller than that of the other end of the sand washing box, the motor is fixed at one end, far away from the support plate, of the sand washing box, the motor is electrically connected with the P L C, the motor is in transmission connection with one end of the rotating shaft, the other end of the rotating shaft is arranged in the bearing, the bearing is fixed on the inner wall of one side, close to the support plate, of the sand washing box, the spiral blade is arranged on the;

the feeding mechanism comprises a material box, a lifting assembly, a first motor, a telescopic assembly, a driving rod and a baffle plate, the material box is fixed on the upper portion of the supporting plate, the upper end and the lower end of the material box are communicated, the baffle plate is hinged to one end, close to the supporting plate, of the bottom of the material box, the first motor is located above the base through the lifting assembly, the first motor is connected with one end of the telescopic assembly, the other end of the telescopic assembly is connected with one end of the driving rod, the other end of the driving rod is hinged to the center of the baffle plate, and the first motor is electrically connected with P L C;

the utility model discloses a sand washing box, including vibrating mechanism, reciprocating plate, spring and vibrating mass, vibrating mechanism includes fixed frame and a plurality of vibration subassembly, the shape of fixed frame is the U-shaped, the below of washing the sand box is all fixed at the both ends of fixed frame, vibration subassembly evenly distributed is in the inboard of fixed frame, the vibrating mass includes reciprocating unit, reciprocating plate, vibrating mass, a plurality of spring and two dead levers, the both ends of dead lever respectively with fixed frame and washing sand box fixed connection, reciprocating unit, reciprocating plate, spring and vibrating mass from down and set gradually, reciprocating unit is connected with reciprocating plate transmission, the vibrating mass passes through the spring setting in reciprocating plate's top, reciprocating plate and vibrating mass are all established on the dead lever.

Preferably, in order to avoid fine sand from sliding off from two sides of the baffle, two sides above the baffle are provided with side plates.

As preferred, for the reciprocal swing range of regulation baffle, flexible subassembly includes flat board, first connecting rod, second motor, lead screw, sleeve pipe and two clamp splices, the output shaft fixed connection of flat board through first connecting rod and first motor, the second motor is fixed on the flat board, the second motor is connected with P L C electricity, the second motor is connected with the lead screw transmission, the cover pipe box is established on the lead screw, sheathed tube and the junction of lead screw are equipped with the screw thread that matches with the lead screw, the sheathed tube one end of keeping away from the second motor is located between two clamp splices, the clamp splice is fixed on the flat board, the one end and the sleeve pipe fixed connection of second connecting rod, the other end and the actuating lever of second connecting rod are articulated.

Preferably, in order to prevent the sleeve from being separated from the screw rod, limiting plates are arranged on two sides of one end of the sleeve close to the second motor.

Preferably, in order to drive the first motor to lift, the lifting assembly comprises an air cylinder, the air cylinder is electrically connected with the P L C, a cylinder body of the air cylinder is fixed above the base, and the top end of an air rod of the air cylinder is fixedly connected with the first motor.

Preferably, in order to facilitate the removal of residues in the sand washing box, a residue discharge pipe is arranged at one end of the sand washing box close to the support plate, a valve is arranged in the residue discharge pipe, and the valve is electrically connected with the P L C.

Preferably, in order to realize the reciprocating movement of the reciprocating plate, the reciprocating unit comprises a third motor, a driving wheel, a driving block, a driving frame and two connecting rods, wherein the third motor is fixed on the fixed frame, the third motor is electrically connected with the P L C, the third motor is in transmission connection with the driving wheel, the driving block is fixed at the position of the driving wheel far away from the center of a circle, the driving block is located on the inner side of the driving frame, and the driving frame is fixedly connected with the reciprocating plate through the connecting rods.

Preferably, in order to fix the moving direction of the driving frame, sliding rings are arranged at two ends of the driving frame, and the sliding rings are sleeved on the fixing rod.

Preferably, in order to ensure the knocking force of the vibrating block on the sand washing box, the vibrating block is made of rubber, and a weighting block is arranged in the vibrating block.

Preferably, in order to save water, a water pump, a water delivery pipe and a return pipe are arranged above the base, the water pump is fixed on the base and is electrically connected with the P L C, the water pump is communicated with one end, close to the support plate, of the sand washing box through the water delivery pipe, and the water pump is communicated with the other end of the sand washing box through the return pipe.

The anti-blocking spiral sand washer with the automatic feeding function has the advantages that fine sand materials are continuously supplied to the sand washing box through the feeding mechanism, the work efficiency of equipment is guaranteed, meanwhile, the phenomenon that the equipment runs in an overload mode due to too much feeding at one time is avoided, in addition, the sand washing box is knocked through the vibrating mechanism, the fine sand inside the sand washing box is vibrated, the situation that the fine sand is clamped between the spiral blade and the inner wall of the sand washing box is avoided, the smooth running of the equipment is guaranteed, and the practicability of the equipment is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an anti-seize screw sand washer with automatic feed of the present invention;

FIG. 2 is a schematic structural diagram of a feeding mechanism of the anti-jamming spiral sand washer with an automatic feeding function of the invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic diagram of the vibration assembly of the anti-seize screw sander with automatic feed of the present invention;

in the figure: 1. the automatic sand washing machine comprises a base, a support plate, a controller, a sand washing box, a rotating shaft, a bearing, a spiral blade, a support leg, a discharging pipe, a material box, a first motor, a driving rod, a baffle plate, a fixing frame, a reciprocating plate, a motor, a vibrating block, a spring, a fixing rod, a side plate, a flat plate, a first connecting rod, a second motor, a screw rod, a sleeve, a clamping block, a limiting plate, a cylinder and a slag discharging pipe, a third motor, a driving wheel, a driving block, a driving frame, a connecting rod, a sliding ring, a weight increasing block, a water pump, a water delivery pipe and a return pipe, wherein the supporting plate is arranged on the base, the supporting plate is 2, the supporting plate is arranged on the controller, the sand washing box is arranged on the base, the rotating shaft is arranged on the controller, the.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an anti-seize spiral sand washer with an automatic feeding function comprises a base 1, a support plate 2, a controller 3, a feeding mechanism, a sand washing box 4, a motor 16, a rotating shaft 5, a bearing 6, a spiral blade 7 and a plurality of support legs 8, wherein the support plate 2 is fixed above the base 1, the controller 3 is fixed on the support plate 2, P L C is arranged in the controller 3, the feeding mechanism is positioned between the sand washing box 4 and the support plate 2, the sand washing box 4 is fixed above the base 1 through the support legs 8, the sand washing box 4 is obliquely arranged, the height of one end, close to the support plate 2, of the sand washing box 4 is smaller than that of the other end of the sand washing box 4, the motor 16 is fixed at one end, far away from the support plate 2, of the sand washing box 4, the motor 16 is electrically connected with the P L C, the motor 16 is in transmission connection with one end of the rotating shaft 5, the other end of the rotating shaft 5 is arranged in the bearing 6, the bearing 6 is fixed on the inner wall of one side, close to the support plate 2, the spiral blade 7 is arranged on the rotating shaft 5, one end of the sand;

p L C, a programmable logic controller, which employs a programmable memory of a type for storing therein a program for executing user-oriented instructions such as logical operations, sequence control, timing, counting, and arithmetic operations, and controlling various types of machines or production processes by digital or analog input/output, is essentially a computer dedicated to industrial control, whose hardware configuration is substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

In the spiral sand washer, the sand washing box 4 is fixedly supported through the support legs 8, so that the sand washing box 4 keeps an inclined angle, when the device is used for fine sand, after clear water is poured into the sand washing box 4, a user can control the operation of the device, fine sand is continuously supplied to the sand washing box 4 through the feeding mechanism, the phenomenon that the load of the device is increased due to the fact that the fine sand is supplied too much at one time is avoided, meanwhile, the working efficiency of the device is guaranteed, the P L C control motor 16 is started to drive the rotating shaft 5 to rotate in the bearing 6 at a fixed position, the spiral blades 7 are made to rotate, the spiral blades 7 drive the fine sand to flow upwards inside the sand washing box 4, sand materials are stirred, after soil and water in the sand materials are mixed, the sand is discharged from the discharging pipe 9 at one end with a higher position of the sand washing box 4, the phenomenon that the sand is clamped between the spiral blades 7 and the inner wall of the sand washing box 4 in the flowing process is avoided, the lower portion of the sand washing box 4 is knocked through the vibrating mechanism, the discharging phenomenon that the sand is concentrated to the sand to flow towards the center of the water solution is avoided, and the phenomenon that the sand is smoothly discharged on the discharging pipe, and the inner wall of the sand washing.

As shown in fig. 2, the feeding mechanism includes a material box 10, a lifting assembly, a first motor 11, a telescopic assembly, a driving rod 12 and a baffle 13, the material box 10 is fixed on the upper portion of the supporting plate 2, the upper end and the lower end of the material box 10 are communicated, the baffle 13 is hinged to one end of the bottom of the material box 10 close to the supporting plate 2, the first motor 11 is located above the base 1 through the lifting assembly, the first motor 11 is connected to one end of the telescopic assembly, the other end of the telescopic assembly is connected to one end of the driving rod 12, the other end of the driving rod 12 is hinged to the center of the baffle 13, and the first motor 11 is electrically connected to P L C;

in the feeding mechanism, the position of the material box 10 is fixed through the support plate 2, aggregate is put into the material box 10, after a user starts the equipment, the P L C controls the telescopic assembly to rotate, the driving rod 12 is moved to rotate, the driving rod 12 drives the baffle plate 13 above the baffle plate to swing, when the baffle plate 13 abuts against the bottom of the material box 10, the aggregate can be prevented from falling into the sand washing box 4, when the baffle plate 13 rotates downwards, the aggregate in the material box 10 slides downwards along the baffle plate 13 and falls into the sand washing box 4, in the early period, more aggregate is in the material box 10, the baffle plate 13 can enable part of the aggregate to enter the sand washing box 4 only by swinging a small amplitude, along with the decrease of the aggregate in the material box 10, the P L C controls the lifting assembly to drive the first motor 11 to fall, meanwhile, the telescopic assembly operates to increase the length of the telescopic assembly, so that the swinging amplitude of the baffle plate 13 is increased through the driving rod 12, a certain amount of aggregate falls from the baffle plate 13 to the inside the sand.

As shown in fig. 1 and 4, the vibration mechanism includes a fixed frame 14 and a plurality of vibration assemblies, the fixed frame 14 is U-shaped, the two ends of the fixed frame 14 are fixed below the sand washing box 4, the vibration assemblies are uniformly distributed on the inner side of the fixed frame 14, each vibration assembly includes a reciprocating unit, a reciprocating plate 15, a vibration block 17, a plurality of springs 18 and two fixing rods 19, the two ends of each fixing rod 19 are fixedly connected with the fixed frame 14 and the sand washing box 4, the reciprocating unit, the reciprocating plate 15, the springs 18 and the vibration block 17 are sequentially arranged from bottom to top, the reciprocating unit is in transmission connection with the reciprocating plate 15, the vibration block 17 is arranged above the reciprocating plate 15 through the springs 18, and the reciprocating plate 15 and the vibration block 17 are sleeved on the fixing rods 19.

In the vibrating mechanism, the position of the vibrating component is fixed through the fixing frame 14, each part below the sand washing box 4 is knocked and vibrated through the vibrating component, the sand inside the sand washing box 4 is prevented from being clamped between the spiral blade 7 and the inner wall of the sand washing box 4, when the vibrating component operates, the reciprocating unit is controlled to operate by P L C, the reciprocating plate 15 is driven to reciprocate along the axis direction of the fixing rod 19, the fixing rod 19 acts on the vibrating block 17 through the spring 18, the vibrating block 17 also moves back and forth along with the axis of the fixing rod 19, the outside of the sand washing box 4 is knocked, rigid knocking is prevented through the spring 18, the sand washing box 4 is deformed, the sand inside the sand washing box 4 shakes through knocking vibration of the vibrating block 17, and the spiral blade 7 is prevented from being clamped.

Preferably, in order to prevent fine sand from sliding off from both sides of the baffle 13, both sides above the baffle 13 are provided with side plates 20. Utilize the curb plate 20 of baffle 13 both sides, restricted the home range of grit, avoid baffle 13 downward sloping in-process, the grit drops from the both sides of baffle 13, through the home range of restriction grit, guarantees that the grit falls into washing sand box 4.

As shown in fig. 3, the telescopic assembly includes a flat plate 21, a first connecting rod 22, a second connecting rod 23, a second motor 24, a screw rod 25, a sleeve 26 and two clamping blocks 27, the flat plate 21 is fixedly connected to an output shaft of the first motor 11 through the first connecting rod 22, the second motor 24 is fixed to the flat plate 21, the second motor 24 is electrically connected to P L C, the second motor 24 is in transmission connection with the screw rod 25, the sleeve 26 is sleeved on the screw rod 25, a connection of the sleeve 26 and the screw rod 25 is provided with a thread matching with the screw rod 25, one end of the sleeve 26, which is far away from the second motor 24, is located between the two clamping blocks 27, the clamping blocks 27 are fixed to the flat plate 21, one end of the second connecting rod 23 is fixedly connected to the sleeve 26, and the other end of the second connecting rod 23 is hinged to the driving rod 12.

The P L C controls the second motor 24 to start, drives the screw rod 25 to rotate, the screw rod 25 acts on the sleeve 26 through threads, so that the sleeve 26 moves along the axis of the screw rod 25 under the extrusion action of the two clamping blocks 27, and further drives the second connecting rod 23 to move, the distance between the first connecting rod 22 and the second connecting rod 23 is adjusted, the rotating radius of one end, close to the first motor 11, of the driving rod 12 is changed, and the swing amplitude of the baffle 13 is convenient to adjust.

Preferably, in order to prevent the sleeve 26 from being separated from the screw 25, two sides of one end of the sleeve 26 close to the second motor 24 are provided with a limit plate 28. When the sleeve 26 moves, the limiting plate 28 is driven to move synchronously, and after the limiting plate 28 abuts against the clamping block 27, the sleeve 26 cannot move continuously, so that the sleeve 26 is prevented from being separated from the screw rod 25.

Preferably, in order to drive the first motor 11 to ascend and descend, the ascending and descending assembly comprises an air cylinder 29, the air cylinder 29 is electrically connected with the P L C, a cylinder body of the air cylinder 29 is fixed above the base 1, the top end of an air rod of the air cylinder 29 is fixedly connected with the first motor 11, the P L C controls the air cylinder 29 to be started, adjusts the air quantity in the cylinder body of the air cylinder 29, and drives the first motor 11 to ascend and descend through the movement of the air rod of the air cylinder 29.

Preferably, in order to conveniently remove residues in the sand washing box 4, one end, close to the support plate 2, of the sand washing box 4 is provided with a slag discharge pipe 30, a valve is arranged in the slag discharge pipe 30 and is electrically connected with the P L C, and after sand washing is finished, the valve is controlled to be opened by the P L C, so that residual moisture and waste residues in the sand washing box 4 can be conveniently discharged.

As shown in fig. 4, the reciprocating unit comprises a third motor 31, a driving wheel 32, a driving block 33, a driving frame 34 and two connecting rods 35, wherein the third motor 31 is fixed on the fixed frame 14, the third motor 31 is electrically connected with P L C, the third motor 31 is in transmission connection with the driving wheel 32, the driving block 33 is fixed at the position, far away from the center of a circle, of the driving wheel 32, the driving block 33 is positioned on the inner side of the driving frame 34, and the driving frame 34 is fixedly connected with the reciprocating plate 15 through the connecting rods 35.

The P L C controls the third motor 31 to start, which can drive the driving wheel 32 to rotate, so that the driving block 33 rotates along the axis of the driving wheel 32, the driving block 33 acts on the inner wall of the driving frame 34, and the driving frame 34 drives the reciprocating plate 15 to reciprocate along the direction of the fixing rod 19 through the connecting rod 35.

Preferably, in order to fix the moving direction of the driving frame 34, two ends of the driving frame 34 are provided with sliding rings 36, and the sliding rings 36 are sleeved on the fixing rods 19. The slide ring 36 is fitted over the fixing rod 19 to fix the moving direction of the driving frame 34, so that when the driving block 33 rotates, the driving frame 34 reciprocates along the axial direction of the fixing rod 19.

Preferably, in order to ensure the knocking force of the vibrating mass 17 on the sand washing box 4, the vibrating mass 17 is made of rubber, and a weight increasing block 37 is arranged in the vibrating mass 17. The vibrating block 17 is made of rubber, the rubber has soft elasticity, deformation of the sand washing box 4 caused when the rubber block is knocked to the sand washing box 4 is avoided, the weight increasing block 37 is additionally arranged inside the vibrating block 17, the overall quality of the vibrating block 17 is improved, the vibrating block 17 has larger impulse when knocked, and knocking force of the sand washing box 4 is guaranteed.

Preferably, in order to save water, a water pump 38, a water delivery pipe 39 and a return pipe 40 are arranged above the base 1, the water pump 38 is fixed on the base 1, the water pump 38 is electrically connected with the P L C, the water pump 38 is communicated with one end, close to the support plate 2, of the sand washing box 4 through the water delivery pipe 39, the water pump 38 is communicated with the other end of the sand washing box 4 through the return pipe 40, the P L C controls the water pump 38 to be started, water flow at the lower position of the sand washing box 4 is delivered to the higher position of the sand washing box 4 through the return pipe 40 through the water delivery pipe 39, and continuous utilization of water resources is achieved by utilizing the circulating flow of water, so that the water resources are saved.

When the spiral sand washer operates, the first motor 11 is started, the baffle 13 is driven to swing back and forth through the telescopic assembly and the driving rod 12, the sand washing box 4 is continuously fed, the load of the equipment is prevented from being increased too much by one-time feeding, the swing amplitude of the baffle 13 is adjusted through the telescopic assembly, the working efficiency of the equipment is guaranteed, the vibrating block 17 is made to move back and forth through the vibrating assembly, the sand washing box 4 is knocked, the fine sand is prevented from being clamped between the inner wall of the sand washing box 4 and the spiral blade 7, the smooth operation of the equipment is guaranteed, and the practicability of the equipment is improved.

Compared with the prior art, this spiral sand washer that anti-sticking is dead has automatic feed function continuously provides thin sand material to sand washing box 4 through feed mechanism, has avoided disposable feed too much to arouse equipment overload operation when guaranteeing equipment work efficiency, moreover, strikes through vibration mechanism and washes sand box 4 for inside thin sand vibrates, avoids the card between spiral leaf 7 and sand washing box 4 inner wall, thereby has guaranteed the smooth operation of equipment, has improved the practicality of equipment.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The anti-sticking spiral sand washer with the automatic feeding function is characterized by comprising a base (1), a support plate (2), a controller (3), a feeding mechanism, a sand washing box (4), a motor (16), a rotating shaft (5), a bearing (6), a spiral blade (7) and a plurality of support legs (8), wherein the support plate (2) is fixed above the base (1), the controller (3) is fixed on the support plate (2), P L C is arranged in the controller (3), the feeding mechanism is positioned between the sand washing box (4) and the support plate (2), the sand washing box (4) is fixed above the base (1) through the support legs (8), the sand washing box (4) is obliquely arranged, the height of one end, close to the support plate (2), of the sand washing box (4) is smaller than that of the other end of the sand washing box (4), the motor (16) is fixed at one end, far away from the sand washing box (2), of the motor (16) is electrically connected with the P L C, the transmission of one end of the motor (16) is connected with the rotating shaft (5), one end, the bearing (6) is arranged on one side, close to the inner wall of the support plate (4), and the bearing (6) is arranged on the inner wall of the sand washing box (4), and the bearing (6) is arranged on one side, and the bearing (4) is arranged below the support plate (4);

the feeding mechanism comprises a material box (10), a lifting assembly, a first motor (11), a telescopic assembly, a driving rod (12) and a baffle (13), the material box (10) is fixed on the upper portion of the support plate (2), the upper end and the lower end of the material box (10) are communicated, the baffle (13) is hinged to one end, close to the support plate (2), of the bottom of the material box (10), the first motor (11) is located above the base (1) through the lifting assembly, the first motor (11) is connected with one end of the telescopic assembly, the other end of the telescopic assembly is connected with one end of the driving rod (12), the other end of the driving rod (12) is hinged to the center of the baffle (13), and the first motor (11) is electrically connected with P L C;

the vibration mechanism comprises a fixed frame (14) and a plurality of vibration components, the fixed frame (14) is U-shaped, both ends of the fixed frame (14) are fixed below the sand washing box (4), the vibration assemblies are uniformly distributed on the inner side of the fixed frame (14), the vibration component comprises a reciprocating unit, a reciprocating plate (15), a vibration block (17), a plurality of springs (18) and two fixed rods (19), two ends of the fixed rod (19) are respectively and fixedly connected with the fixed frame (14) and the sand washing box (4), the reciprocating unit, the reciprocating plate (15), the spring (18) and the vibrating block (17) are arranged in sequence from bottom to top, the reciprocating unit is in transmission connection with a reciprocating plate (15), the vibrating block (17) is arranged above the reciprocating plate (15) through a spring (18), the reciprocating plate (15) and the vibrating block (17) are sleeved on the fixing rod (19).

2. The anti-jamming screw sand washer with automatic feeding function as claimed in claim 1, characterized in that both sides above the baffle (13) are provided with side plates (20).

3. The anti-jamming spiral sand washer with the automatic feeding function as claimed in claim 1, wherein the telescopic assembly comprises a flat plate (21), a first connecting rod (22), a second connecting rod (23), a second motor (24), a screw rod (25), a sleeve (26) and two clamping blocks (27), the flat plate (21) is fixedly connected with an output shaft of the first motor (11) through the first connecting rod (22), the second motor (24) is fixed on the flat plate (21), the second motor (24) is electrically connected with P L C, the second motor (24) is in transmission connection with the screw rod (25), the sleeve (26) is sleeved on the screw rod (25), a connecting part of the sleeve (26) and the screw rod (25) is provided with threads matched with the screw rod (25), one end of the sleeve (26), which is far away from the second motor (24), is positioned between the two clamping blocks (27), the clamping blocks (27) are fixed on the flat plate (21), one end of the second connecting rod (23) is fixedly connected with the sleeve (26), and the other end of the second connecting rod (23) is hinged with the driving rod (12).

4. The anti-jamming screw sand washer with automatic feeding function of claim 3 is characterized in that the two sides of one end of the sleeve (26) close to the second motor (24) are provided with limit plates (28).

5. The anti-jamming screw sand washer with automatic feeding function as claimed in claim 1, wherein the lifting assembly comprises a cylinder (29), the cylinder (29) is electrically connected with P L C, the cylinder body of the cylinder (29) is fixed above the base (1), and the top end of the air rod of the cylinder (29) is fixedly connected with the first motor (11).

6. The anti-jamming spiral sand washer with automatic feeding function as claimed in claim 1, wherein the sand washing box (4) is provided with a slag discharge pipe (30) at one end close to the support plate (2), and a valve is arranged in the slag discharge pipe (30) and is electrically connected with P L C.

7. The anti-jamming spiral sand washer with the automatic feeding function as claimed in claim 1, wherein the reciprocating unit comprises a third motor (31), a driving wheel (32), a driving block (33), a driving frame (34) and two connecting rods (35), the third motor (31) is fixed on the fixed frame (14), the third motor (31) is electrically connected with P L C, the third motor (31) is in transmission connection with the driving wheel (32), the driving block (33) is fixed at the position, far away from the circle center, of the driving wheel (32), the driving block (33) is located on the inner side of the driving frame (34), and the driving frame (34) is fixedly connected with the reciprocating plate (15) through the connecting rods (35).

8. The anti-jamming screw sand washer with automatic feeding function as claimed in claim 7, wherein the two ends of the driving frame (34) are provided with sliding rings (36), and the sliding rings (36) are sleeved on the fixed rods (19).

9. The anti-jamming screw sand washer with automatic feeding function as claimed in claim 1, characterized in that the material of the vibrating block (17) is rubber, and a weight increasing block (37) is arranged in the vibrating block (17).

10. The anti-jamming spiral sand washer with the automatic feeding function as claimed in claim 1, wherein a water pump (38), a water pipe (39) and a return pipe (40) are arranged above the base (1), the water pump (38) is fixed on the base (1), the water pump (38) is electrically connected with P L C, the water pump (38) is communicated with one end of the sand washing box (4) close to the support plate (2) through the water pipe (39), and the water pump (38) is communicated with the other end of the sand washing box (4) through the return pipe (40).

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